| 1 | /*␊ |
| 2 | * yesno.c -- implements the yes/no box␊ |
| 3 | *␊ |
| 4 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)␊ |
| 5 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)␊ |
| 6 | *␊ |
| 7 | * This program is free software; you can redistribute it and/or␊ |
| 8 | * modify it under the terms of the GNU General Public License␊ |
| 9 | * as published by the Free Software Foundation; either version 2␊ |
| 10 | * of the License, or (at your option) any later version.␊ |
| 11 | *␊ |
| 12 | * This program is distributed in the hope that it will be useful,␊ |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| 15 | * GNU General Public License for more details.␊ |
| 16 | *␊ |
| 17 | * You should have received a copy of the GNU General Public License␊ |
| 18 | * along with this program; if not, write to the Free Software␊ |
| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.␊ |
| 20 | */␊ |
| 21 | ␊ |
| 22 | #include "dialog.h"␊ |
| 23 | ␊ |
| 24 | /*␊ |
| 25 | * Display termination buttons␊ |
| 26 | */␊ |
| 27 | static void print_buttons(WINDOW * dialog, int height, int width, int selected)␊ |
| 28 | {␊ |
| 29 | ␉int x = width / 2 - 10;␊ |
| 30 | ␉int y = height - 2;␊ |
| 31 | ␊ |
| 32 | ␉print_button(dialog, gettext(" Yes "), y, x, selected == 0);␊ |
| 33 | ␉print_button(dialog, gettext(" No "), y, x + 13, selected == 1);␊ |
| 34 | ␊ |
| 35 | ␉wmove(dialog, y, x + 1 + 13 * selected);␊ |
| 36 | ␉wrefresh(dialog);␊ |
| 37 | }␊ |
| 38 | ␊ |
| 39 | /*␊ |
| 40 | * Display a dialog box with two buttons - Yes and No␊ |
| 41 | */␊ |
| 42 | int dialog_yesno(const char *title, const char *prompt, int height, int width)␊ |
| 43 | {␊ |
| 44 | ␉int i, x, y, key = 0, button = 0;␊ |
| 45 | ␉WINDOW *dialog;␊ |
| 46 | ␊ |
| 47 | do_resize:␊ |
| 48 | ␉if (getmaxy(stdscr) < (height + 4))␊ |
| 49 | ␉␉return -ERRDISPLAYTOOSMALL;␊ |
| 50 | ␉if (getmaxx(stdscr) < (width + 4))␊ |
| 51 | ␉␉return -ERRDISPLAYTOOSMALL;␊ |
| 52 | ␊ |
| 53 | ␉/* center dialog box on screen */␊ |
| 54 | ␉x = (COLS - width) / 2;␊ |
| 55 | ␉y = (LINES - height) / 2;␊ |
| 56 | ␊ |
| 57 | ␉draw_shadow(stdscr, y, x, height, width);␊ |
| 58 | ␊ |
| 59 | ␉dialog = newwin(height, width, y, x);␊ |
| 60 | ␉keypad(dialog, TRUE);␊ |
| 61 | ␊ |
| 62 | ␉draw_box(dialog, 0, 0, height, width,␊ |
| 63 | ␉␉ dlg.dialog.atr, dlg.border.atr);␊ |
| 64 | ␉wattrset(dialog, dlg.border.atr);␊ |
| 65 | ␉mvwaddch(dialog, height - 3, 0, ACS_LTEE);␊ |
| 66 | ␉for (i = 0; i < width - 2; i++)␊ |
| 67 | ␉␉waddch(dialog, ACS_HLINE);␊ |
| 68 | ␉wattrset(dialog, dlg.dialog.atr);␊ |
| 69 | ␉waddch(dialog, ACS_RTEE);␊ |
| 70 | ␊ |
| 71 | ␉print_title(dialog, title, width);␊ |
| 72 | ␊ |
| 73 | ␉wattrset(dialog, dlg.dialog.atr);␊ |
| 74 | ␉print_autowrap(dialog, prompt, width - 2, 1, 3);␊ |
| 75 | ␊ |
| 76 | ␉print_buttons(dialog, height, width, 0);␊ |
| 77 | ␊ |
| 78 | ␉while (key != KEY_ESC) {␊ |
| 79 | ␉␉key = wgetch(dialog);␊ |
| 80 | ␉␉switch (key) {␊ |
| 81 | ␉␉case 'Y':␊ |
| 82 | ␉␉case 'y':␊ |
| 83 | ␉␉␉delwin(dialog);␊ |
| 84 | ␉␉␉return 0;␊ |
| 85 | ␉␉case 'N':␊ |
| 86 | ␉␉case 'n':␊ |
| 87 | ␉␉␉delwin(dialog);␊ |
| 88 | ␉␉␉return 1;␊ |
| 89 | ␊ |
| 90 | ␉␉case TAB:␊ |
| 91 | ␉␉case KEY_LEFT:␊ |
| 92 | ␉␉case KEY_RIGHT:␊ |
| 93 | ␉␉␉button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);␊ |
| 94 | ␊ |
| 95 | ␉␉␉print_buttons(dialog, height, width, button);␊ |
| 96 | ␉␉␉wrefresh(dialog);␊ |
| 97 | ␉␉␉break;␊ |
| 98 | ␉␉case ' ':␊ |
| 99 | ␉␉case '\n':␊ |
| 100 | ␉␉␉delwin(dialog);␊ |
| 101 | ␉␉␉return button;␊ |
| 102 | ␉␉case KEY_ESC:␊ |
| 103 | ␉␉␉key = on_key_esc(dialog);␊ |
| 104 | ␉␉␉break;␊ |
| 105 | ␉␉case KEY_RESIZE:␊ |
| 106 | ␉␉␉delwin(dialog);␊ |
| 107 | ␉␉␉on_key_resize();␊ |
| 108 | ␉␉␉goto do_resize;␊ |
| 109 | ␉␉}␊ |
| 110 | ␉}␊ |
| 111 | ␊ |
| 112 | ␉delwin(dialog);␊ |
| 113 | ␉return key;␉␉/* ESC pressed */␊ |
| 114 | }␊ |
| 115 | |
